Best Alternatives to Tax Rex ‑ Sales Tax Automationfor Shopify (2026)

Report Toaster offers advanced reporting with real-time data, customization options, automated delivery, and sharing capabilities. Its strength lies in its ability to create a wide variety of reports beyond just sales tax, with features like calculated fields, multi-store reporting, and extensive filtering options.

Mipler focuses on advanced reporting and dashboards, allowing you to visualize a wide range of data from your store, including sales, financial, and tax reports. Its ability to create custom reports with personalized columns and calculations, even using metafields and tags, makes it a flexible alternative if you need more control over your reporting than Tax Rex offers.

Simple Affiliate focuses on managing affiliate and referral marketing programs. It helps track sales, payouts, and taxes related to affiliate commissions, but it does not automate sales tax reporting or filing, making it an unsuitable direct replacement for Tax Rex.

Finaloop provides accounting software and services specifically tailored for e-commerce businesses. If you're looking for a comprehensive accounting solution that includes bookkeeping, inventory management, and tax-ready financials, Finaloop can be a strong alternative, offering a full-service approach.

This app allows to generate PDF invoices. There is not enough information to make a sufficient claim.

WebPlanex is specifically designed for GST compliance in India. While it offers sales reports, its primary focus is on generating GST-ready invoices and handling multi-location fulfillment scenarios with different GST numbers, making it unsuitable for merchants needing US sales tax automation.

DataChamp provides flexible CSV and Excel exports for various Shopify data, including orders, products, customers, and metafields. Its strength lies in its customization options, automation capabilities, and extensive field selection, allowing you to create tailored reports for accounting, ERP integration, and in-depth analysis. However, it does not handle sales tax filing directly.

TaxCloud offers sales tax registration, filing, and multi-channel nexus tracking. As a Certified Service Provider in the Streamlined Sales Tax (SST) program, TaxCloud can unlock discounts in up to 24 member states. If you want to take advantage of SST savings and need support for multi-channel sales, TaxCloud is a good choice.

Sidr Tax is a US-based sales tax automation solution offering nexus tracking, registration, reporting, and filing automation. If you're specifically looking for a similar all-in-one solution to Tax Rex, but perhaps prefer a different company or set of features, Sidr is a direct competitor.

QuickBooks Desktop by Parex automates the synchronization of sales data to QuickBooks Desktop or Enterprise editions. If your primary need is to integrate your Shopify sales with QuickBooks for accounting purposes, this could be a good alternative. It focuses on data synchronization rather than direct sales tax filing.